From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756546Ab2LIGVZ (ORCPT ); Sun, 9 Dec 2012 01:21:25 -0500 Received: from plane.gmane.org ([80.91.229.3]:50354 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756503Ab2LIGVY (ORCPT ); Sun, 9 Dec 2012 01:21:24 -0500 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Woody Wu Subject: Re: 8250 UART doesn't work Date: Sun, 9 Dec 2012 06:21:09 +0000 (UTC) Message-ID: References: <50C0E737.2000201@zytor.com> <20121207100438.136dd968@pyramind.ukuu.org.uk> <20121208225233.169ba5b9@pyramind.ukuu.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 119.142.38.140 User-Agent: slrn/0.9.9p1 (Linux) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2012-12-08, Alan Cox wrote: >> Which kind of configuration is right for ARM? I think the >> 8250_exar_st16c554.c is for ISA bus board and hence is not suit to me, >> but I am not sure my understanding is right. Please give me some >> backgroud information on this field. > > You are the one who should have the information for your board. If not > ask your board vendor how it is all mapped. > > Alan I have no more information for the board. For now, I just want to gain some knowledge about the UPIO_MEM and UPIO_PORT - what is for what. Hope experts on the list can be so kind to help me. Thanks. -- woody I can't go back to yesterday - because I was a different person then.